Table 5 Multivariate linear regression model* for the association of the mean number of symptoms with some possible predictors among radiographers (N = 330)

Age (20–40 years/>40 years)

0.92

0.66

0.07

0.16

(−0.37-2.22)

Monthly net income (≤2500/>2500) NIS

2.35

0.70

0.14

0.001

(0.96-3.74)*

Residence place (city and refugee camp/village)

1.15

0.52

0.09

0.03

(0.12-2.19)*

Years of experience (1–10 years/>10 years)

1.31

0.59

0.10

0.03

(0.15-2.47)*

Daily working hours (≤8 hours/>8 hours)

0.51

1.11

0.02

0.65

(−1.68-2.69)

Living in industrial area (no/yes)

5.63

1.13

0.37

0.001

(3.39-7.86)*

Sharing home with people who smoke (no/yes)

3.79

1.12

0.25

0.001

(1.57-6.004)*

Daily images performed per working shift (≤15 images/>15 images)

−0.12

0.65

−0.009

0.85

(−1.39-1.16)

Period of stay in darkroom per shift (1–30 minutes />30 minutes)

3.28

0.62

0.27

0.001

(2.06-4.51)*

Availability of a window in the darkroom (no/yes)

1.58

1.11

0.08

0.15

(−0.61-3.77)

Availability of an extra door in the darkroom (no/yes)

1.19

0.80

0.08

0.13

(−0.38-2.77)

Availability of a ventilating machine in the darkroom (no/yes)

−1.98

0.54

−0.16

0.001

(−3.05- -0.91)*

Availability of an exhaust in the darkroom (no/yes)

−0.57

0.64

−0.04

0.37

(−1.83-0.68)